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Finding the Fourth Proportional to 8,534.58, 12,798.51 and 4,150.74

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Solution

The fourth proportional to 8,534.58, 12,798.51 and 4,150.74 is: 6,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534.58 : 12,798.51 = 4,150.74 : x
  2. Step 2: Convert to fraction form
    8,534.58/12,798.51 = 4,150.74/x
  3. Step 3: Cross multiply
    8,534.58x = 12,798.51 × 4,150.74
  4. Step 4: Simplify right side
    8,534.58x = 53,123,287.40
  5. Step 5: Solve for x
    x = 53,123,287.40/8,534.58
  6. Step 6: Final answer
    x = 6,224.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.